Attic Fans Vs Turbines

It could reverse the natural flow of hot air out the ridge vent.

Attic fans vs turbines.

Do not use mechanical means electric attic fans. Flat roof vent all things being equal wind driven turbine vents also known as a whirlybird roof vent do move more air than flat vents but only when the wind blows. Pros power vents are generally roof or gable mounted and are also known as pav s power attic vents. Combining an attic power vent fan with a ridge vent is usually not recommended because.

Read about roof vents and why fan or turbine vents are not as efficient as ridge vents. Wind driven roof vents will pull more air from the attic but only when the wind is blowing. A turbine is installed directly on the top of a roof and uses wind power to suck hot and humid air out of the attic. A ridge vent runs across the top of the roof s peak.

The wind rotates the fan blade causing air movement in the attic as air is pulled out through the. Roof turbines are a cheaper alternative to attic ventilation. Turbine fans have angled slits cut into a capped cylinder which create a continuous fan blade. Ridge vent must me installed per the manufactures instructions.

These types of vents contain motors that drive large fans in order to remove the moisture and hot air from your attic. A turbine has a series of vanes that spin as wind passes through them. Best ventilation is open soffit venting to a open vented ridge vent. If air is drawn in through the ridge vent while it s raining it might pull rainwater in with it which could lead to leaking or mold in the attic.

More than 50 of the attic fans i see do not work and have current still live to the motor. Find out why fan vents don t work and how a ridge and soffit vent system is better for your roof and attic. They can perform like an active roof vent when the wind is blowing or there is an excellent static pressure in your attic but most of the hot months in texas do not promote the spinning and performance of a roof turbine. Of course you try to make the attic scuttle hole use air tight trim on your ceiling cans but it would be foolish to ignore the benefits of a reasonably powered attic fan working in.